<template>
  <div class="json-editor">
    <textarea ref="textarea" />
  </div>
</template>

<script>
import CodeMirror from 'codemirror'
import 'codemirror/lib/codemirror.css'
// 替换主题这里需修改名称
import 'codemirror/theme/idea.css'
import 'codemirror/mode/clike/clike'
export default {
  props: {
    value: {
      type: String,
      required: true,
    },
    height: {
      type: String,
      required: true,
    },
  },
  data() {
    return {
      editor: false,
    }
  },
  watch: {
    value(value) {
      const editorValue = this.editor.getValue()
      if (value !== editorValue) {
        this.editor.setValue(this.value)
      }
    },
    height(value) {
      this.editor.setSize('auto', this.height)
    },
  },
  mounted() {
    this.editor = CodeMirror.fromTextArea(this.$refs.textarea, {
      mode: 'text/x-java',
      lineNumbers: true,
      lint: true,
      lineWrapping: true,
      tabSize: 2,
      cursorHeight: 0.9,
      // 替换主题这里需修改名称
      theme: 'idea',
      readOnly: true,
    })
    this.editor.setSize('auto', this.height)
    this.editor.setValue(this.value)
  },
  methods: {
    getValue() {
      return this.editor.getValue()
    },
  },
}
</script>

<style scoped>
.json-editor {
  height: 100%;
  margin-bottom: 10px;
}
.json-editor >>> .CodeMirror {
  font-size: 14px;
  overflow-y: auto;
  font-weight: normal;
}
.json-editor >>> .CodeMirror-scroll {
}
.json-editor >>> .cm-s-rubyblue span.cm-string {
  color: #f08047;
}
</style>
